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Advantages of Freeze Drying Foods The different methods of food preservation have been changing over the years. There are special methods that come up every day. Different forms of technology are employed in various techniques of food preservation. However, while some techniques use artificial or man made methods, others use natural methods to preserve food. Still, there are methods that use both a combination of natural and artificial techniques. Some of the most preferable methods are those, which don’t involve any use of preservatives. Freeze drying is a preservation technique, which rids frozen water through sublimation after perishable foods have been frozen. Below are some of its advantages Maintenance of Nutritional Value There is no loss of nutrients when food is stored using the freeze drying technique. The process of freeze drying maintains the shape, volume, color aroma and nutritional value of food. Unlike other methods of preservation such as …